PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

03442500Washer,flat

Hatz Diesel of America Inc · NSN 5310-01-116-3581 · FSC 5310 · No Item Name Available
Verified by PartsTable
NSN 5310-01-116-3581 — this item is cataloged by the U.S. Government under National Stock Number 5310-01-116-3581. Primary manufacturer part number: 03442500.
Features
  • Washer,flat — FSC 5310
  • Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
  • Material Document and Classification: DIN 1720,FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL
  • Material: STEEL COMP 1043 OVERALL
  • Center Hole Shape Style: ROUND
  • Overall Diameter: 49.7 MILLIMETERS MINIMUM AND 50.0 MILLIMETERS MAXIMUM MM
  • Thickness: 1.1 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM
  • Peripheral Shape Style: ROUND
Applications
  • Structural fastening and assembly
  • Equipment mounting
  • Panel and housing attachment
  • Applications requiring Steel Comp 1043 Overall construction
General Description

The Washer,flat, cataloged under National Stock Number 5310-01-116-3581, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hatz Diesel of America Inc. Government technical data includes 8 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5310-01-116-3581
Primary Part Number03442500
Item NameWasher,flat
FSC / FSG5310 / 53 — No Item Name Available
ManufacturerHatz Diesel of America Inc
StatusCANCELLED
Hardness Rating58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM
Material Document and ClassificationDIN 1720,FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL
MaterialSTEEL COMP 1043 OVERALL
Center Hole Shape StyleROUND
Overall Diameter49.7 MILLIMETERS MINIMUM AND 50.0 MILLIMETERS MAXIMUM MM
Thickness1.1 MILLIMETERS MINIMUM AND 1.9 MILLIMETERS MAXIMUM MM
Peripheral Shape StyleROUND
Cross-Sectional Shape StyleRECTANGULAR
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 4
5305-00-422-887982-126 INTERCHANGEABLE
Screw,machine
Itw Industrial Finishing Dba Binks Devilbiss
2910-01-054-381620849 INTERCHANGEABLE
Valve,metering
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
4820-01-461-338882126 INTERCHANGEABLE
Head,cylinder Assem
Deval Life Cycle Support Llc
5340-01-495-144082126 INTERCHANGEABLE
Clamp,bridge
Barrett Firearms Manufacturing, Inc. Dba Barrett Firearms Manufacturing Inc
Cross-Reference Index
Part NumberManufacturer
82126 Davey Compressor Co Div of Keco Industries Inc (USA)
03442500 PRIMARY Hatz Diesel of America Inc (USA)
Related Parts
5305-00-422-8879INTERCHANGEABLE
SCREW,MACHINE
82-126
2910-01-054-3816INTERCHANGEABLE
VALVE,METERING
20849
4820-01-461-3388INTERCHANGEABLE
HEAD,CYLINDER ASSEM
82126
5340-01-495-1440INTERCHANGEABLE
CLAMP,BRIDGE
82126

Frequently Asked Questions

What is NSN 5310-01-116-3581?

NSN 5310-01-116-3581 is a Washer,flat, manufactured by Hatz Diesel of America Inc, classified under FSC 5310 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5310-01-116-3581?

NSN 5310-01-116-3581 has 2 cross-referenced part numbers: 82126 (Davey Compressor Co Div of Keco Industries Inc), 03442500 (Hatz Diesel of America Inc).

What NSN replaces 5310-01-116-3581?

There are 4 known substitutes for 5310-01-116-3581: 5305-00-422-8879, 2910-01-054-3816, 4820-01-461-3388 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 03442500?

Key specifications for 03442500: Hardness Rating: 58.0 ROCKWELL C MINIMUM AND 64.0 ROCKWELL C MAXIMUM; Material Document and Classification: DIN 1720,FSCM 21969 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Material: STEEL COMP 1043 OVERALL; Center Hole Shape Style: ROUND. 8 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5310-01-116-3581 still in active supply?

NSN 5310-01-116-3581 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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